1990995868

素因数分解:

$2^2\times {\mathrm{17}}^1\times {\mathrm{73}}^1\times {\mathrm{401087}}^1$

素因数の和:401181

約数の個数: 24

約数和(自身を含む): 3739744512

約数和(自身を除く): 1748748644

約数列:

[1, 2, 4, 17, 34, 68, 73, 146, 292, 1241, 2482, 4964, 401087, 802174, 1604348, 6818479, 13636958, 27273916, 29279351, 58558702, 117117404, 497748967, 995497934, 1990995868]

約数ペア:

[(1, 1990995868), (2, 995497934), (4, 497748967), (17, 117117404), (34, 58558702), (68, 29279351), (73, 27273916), (146, 13636958), (292, 6818479), (1241, 1604348), (2482, 802174), (4964, 401087)]